Home / 18,743.27-28,119.35-5,595.99

Finding the Fourth Proportional to 18,743.27, 28,119.35 and 5,595.99

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Solution

The fourth proportional to 18,743.27, 28,119.35 and 5,595.99 is: 8,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.27 : 28,119.35 = 5,595.99 : x
  2. Step 2: Convert to fraction form
    18,743.27/28,119.35 = 5,595.99/x
  3. Step 3: Cross multiply
    18,743.27x = 28,119.35 × 5,595.99
  4. Step 4: Simplify right side
    18,743.27x = 157,355,509.95
  5. Step 5: Solve for x
    x = 157,355,509.95/18,743.27
  6. Step 6: Final answer
    x = 8,395.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.